Jean marie moret



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A GEARING,

Patented Nov- 6, 1894.

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J. M. MGRET. GBA-RING.

mi wams Sirens co.. PNOTOLITHQ. WASHINGTON. n. c.

UNITED STATES PATENT OFFICE.

JEAN MARIE MoRET, oF REsANQoN, FRANCE.

GEARING.

SPECIFICATION forming part of Letters Patent No. 528,641, dated November 6, 1894. Application filed February 3,1894. Serial Nol` 499,010. (No model.) Patented in France July 20, 1893, No. 2431.560.

To all whom it may concern.-

Beit known that I, .I EAN MARIE MoREr, a citizen of the French Republic, residing. at Besanon,France,have invented certain new and useful Improvements in Gearing; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enableothers skilled in the art to which it appertains to make and use the same.

The invention has been patented in France, No. 231,560, dated July 20, 1893.

My invention is applicable to all forms of gearing, such as chains, racks or gear wheels and comprises a gearing in which one part has movable teeth and the other part fixed teeth to mesh with the movable or yielding teeth so that one gear may have movement independent of the other.

Figure 1 is a front view of a gearing device with movable cogs. Fig. 2, is a sectional view on the line 1-1 of Fig. l. Fig. 3, is a side view similar to Fig. l of a modification. Fig. 4, is a view on line 2-2 of Fig. 3. Fig. 5, is a side view of another modiiication in which a sliding cog under spring tension is used. Fig. 6, is a section of the same on line 6-6 of Fig. ll. Figs. 7 and 8 are views of a modification showing a iiexible chain having sliding pins and adapted to transmit motion fromv one wheel to another so that the driven wheel may have movement independent of the driving wheel.

The device comprises the cylindrical movable cogs a, the extremities b of which are of a reduced diameter to slide in properly inclined grooves made inthe crown plates d ol connected by means of bolts e. The distance between the plates required for the free passage of the cogs or teeth of the companion gear having the fixed cogs f is obtained by means of a disk g or of arms uniting in the center. l

.As soon as the gearing device with movable cogs is actuated with a greater speed than the gearing device with x'ed cogs, the movable cylindrical cogs a are pushed upward, sliding in the grooves c under the action of the gearing ,device with xed cogs; after which the cogs a will reassume their gearing postion on account of their own weight. The wheel with xed cogs can thus stop for a a certain time, while the wheel with movable cogs continues its motion on account of its momentum.

'teeth is arranged inside of the gear with the movable teeth, the connection or spacing ring between the two plates d d being secured between the periphery of the plates.

In Figs. 5 and 6 the cog a consists of a plain cylinder sliding in two grooves c (as in Figs. l and 3). The cylinders are heldin said grooves by two cast iron crown plates o, o fixed to the crown plates d in which the grooves c are made which are thus closed. This, arrangement of gears with movable cylindrical cogs can be placed in a horizontal position on account of a spiral spring p placed inside which maintains every cylindrical cog in its gearing position as long as the sameis not driven back by the gearing device with'ixed cogs f.

Figs. 7, and 8, show a chain with movable cylindrical cams a, the middle part of which is of a reduced diameter and slides in a groove c. The two extremities b b of each engage with a double or with a grooved pinion with fixed cogs f. The otherftoothed wheel is simple and carries ateach side of its crown plate another crown plate r of cast iron that serves as a guide for the chain which it carries along by its inferior portion s.

In all'the forms of the inventiondisclosed it will be noticed that the driven part may be actuated through reciprocation or oscillation of the driver and may have movement independent of the driver due to the momentum acquired therefrom.

I claim- The improved gearing comprising the slotted part having the rollers or pins movable in said slots and the second part having fixed teeth to engage the movable rollers or pins, said rollers or pins forming the only engaging teeth or cogs with which the slotted 4part is provided and having movement sucient to allow them to yield and pass the fixed teeth of the-second part of the gearing, whereby.v the slotted part may slip or move in advance of the second part, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

JEAN MARIE MORET.

Witn esses:

EMILE KANTER, EUGENE BoUvARr. 

